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Q. Illustrate the Quantum Mechanics? Ans: In 1924, a French scientist named Louis de Broglie proposed another model for the nature of the electrons in atoms. He predicted tha
The configuration 1s 2 2s 2 2p 5 3s 1 shows: (1) Excited state of O 2 - (2) Excited state of neon (3) Excited state of fluorine (4) Ground state of fluorine ato
Q. Determine the frequency of light wave? Ans. The wavelength of red light is 7.0 x 10 -7 m. What is the frequency? c = λv The first thing to remember here is that
methods for metallurgy
Calculate the pressures required to achieve a density of 220 g dm -3 , 330 g dm -3 , and 440 g dm -3 at temperatures of 305 K and 350 K. Properties, like the solvent powe
What are the structure and bonding of metal carbonyls ?
Q. Show the Chemical property of matter? A chemical property explains the ability of a substance to combine with or change into one or more other substances. For instance the
The enthalpy change (ΔH) in a reaction is equal to the heat input under conditions of constant pressure and temperature. It is not equal to the total energy change, as work may be
Q. What is Hydrate Isomerism? In a compound, water molecules may be present in either coordinated form or as water of crystallisation In the former case water molecules are di
what are protocols
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